The ADS127L01 is a 24-bit, delta-sigma (ΔΣ), analog-to-digital converter (ADC) with data rates up to 512 kSPS. This device offers a unique combination of excellent dc accuracy and outstanding ac performance. The high-order, chopper-stabilized modulator achieves very low drift with low in-band noise. The integrated decimation filter suppresses modulator out-of-band noise. In addition to al low-latency filter, the ADS127L01 provides multiple Wideband filters with less than ±0.00004 dB of ripple, and an option for –116-dB stop-band attenuation at the Nyquist rate.
Traditionally, industrial delta-sigma ADCs that offer good drift performance use digital filters with large passband droop. As a result, industrial delta-sigma ADCs have limited signal bandwidth and are mostly suited for dc measurements. High-resolution ADCs in audio applications offer larger usable bandwidths, but the offset and drift specifications are significantly weaker than industrial counterparts. The ADS127L01 combines these converters, providing high-precision industrial measurement with excellent dc and ac specifications over an extended industrial temperature range of –40°C to +125°C.
A variety of operating modes allow for optimization of speed, resolution, and power. A programmable serial interface with one of three options (SPI, frame-sync slave, or frame-sync master) provides convenient interfacing across isolation barriers to microcontrollers or digital signal processors (DSPs).
| Top-Dokumentation | Typ | Titel | Format-Optionen | Datum |
|---|---|---|---|---|
| * | Data sheet | ADS127L01 24-Bit, High-Speed, Wide-Bandwidth Analog-to-Digital Converter datasheet (Rev. B) | PDF | HTML | 22 Sep 2016 |
| Technical article | Go Differential to Differentiate Your Precision Design (Rev. A) | PDF | HTML | 10 Feb 2026 | |
| Application note | Calculating Conversion Latency and System Cycle Time for Delta-Sigma ADCs (Rev. A) | PDF | HTML | 18 Mär 2024 | |
| Application note | A Basic Guide to Bridge Measurements (Rev. A) | PDF | HTML | 13 Mär 2024 | |
| Application note | Digital Filter Types in Delta-Sigma ADCs (Rev. A) | PDF | HTML | 29 Mär 2023 | |
| Application note | Communication Methods for Data Integrity Using Delta-Sigma Data Converters (Rev. A) | PDF | HTML | 23 Aug 2021 | |
| E-book | Fundamentals of Precision ADC Noise Analysis (Rev. A) | 19 Jun 2020 | ||
| White paper | Voltage-reference impact on total harmonic distortion | 01 Aug 2016 |
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ADS127L01EVM ist eine Evaluierungsplattform für ADS127L01. ADS127L01 ist ein 24-Bit-Delta-Sigma-Analog-Digital-Wandler (ADC) mit Datenraten von bis zu 512 kSPS. Er bietet eine einzigartige Kombination aus ausgezeichneter DC-Genauigkeit und hervorragender AC-Leistung. Der höherwertige (...)
The ADS127L01 Excel calculator tool provides the user with several easy-to-use tools to simplify the configuration of the ADS127L01. The tool helps the user understand the different settings and operating modes that aid in optimizing a design with the ADS127L01 wide-bandwidth analog-to-digital (...)
The analog engineer’s calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting operational-amplifier (...)
| Gehäuse | Pins | CAD-Symbole, Footprints und 3D-Modelle |
|---|---|---|
| TQFP (PBS) | 32 | Ultra Librarian |
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Analog Engineer's Calc Installer
General calculator tool for analog design support.
This is the first release of this tool.